Science - Genetics - Inheritance

This boreding

Gregor Mendel

Who was the founder of the science of genetics?

1. Dagfinn Aarskog

2. Mark Daly

3. Gregor Mendel

4. Dmitri Mendeleev

1, 4, 6

Which of these traits were dominant in the pea plants Mendel observed? Select all that apply.

1. purple flowers

2. white flowers

3. red flowers

4. tallness

5. shortness

6. smooth seeds

7. wrinkled seeds

Dd

Identification: heterozygous

DD

Identification: homozygous dominant

dd

Identification: homozygous recessive

genes

Inherited traits come from receiving what of the parents?

1. genes

2. influence

3. blood

4. recessiveness

inheritance

What is the result of receiving the traits of parents is called?

1. inheritance

2. acquision

3. influence

4. uniqueness

purple

What is dominant in a pea plant’s color?

white

What is recessive in a pea plant’s color?

tall

What is dominant in a pea plant’s height?

short

What is recessive in a pea plant’s height?

yellow

What is dominant in the pea plant’s seeds?

green

What is recessive in the pea plant’s seeds?

smooth

What is dominant in the pea plant’s texture?

wrinkled

What is recessive in the pea plant’s texture?

1, 3, 4

Which of the following statements are true? Select all that apply.

1. A dominant allele is represented with a capital letter.

2. A dominant allele is represented with a lowercase letter.

3. A recessive allele is represented with a lowercase letter.

4. Offspring reproduced through male-female reproduction receive one allele from each parent.

5. A recessive allele is represented with a capital letter.

1

Why is each characteristic or trait represented by two genes?

1. Each parent contributes one gene.

2. Each parent contributes a gene pair.

3. Each parent contributes two gene pairs.

4. Only one parent carries genes.

purebred

What is a trait resulting from two dominant alleles called?

1. hybrid

2. carrier

3. purebred

4. hyper-dominant

hybrid

What is a trait resulting from one dominant and one recessive gene called?

1. hybrid

2. carrier

3. purebred

4. hyper-dominant

homozygous dominant

What is the genotype of BB?

bald

What is the phenotype of BB?

heterozygous

What is the genotype of Bb?

bald

What is the phenotype of Bb?

homozygous recessive

What is the genotype of bb?

not bald

What is the phenotype of bb?

purebred

What is a trait resulting from two dominant alleles called?

1. hybrid

2. carrier

3. purebred

4. hyper-dominant

dominant

Garden pea plants can have yellow seeds or green seeds. In a pea plant that is heterozygous for see color, the allele for yellow seeds masks the allele for green seeds. Which of the following best describes the allele for yellow seeds?

1. co-dominant

2. dominant

3. recessive

4. heterozygous

2

Where can the instructions that determine each pea plant’s color be found?

1. membrane of skin cells

2. chromosomes in every cell

3. mitochondria of every cell

4. ribosomes in reproductive cells